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Finding the Fourth Proportional to 465.16, 697.66 and 136.03

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Solution

The fourth proportional to 465.16, 697.66 and 136.03 is: 204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.16 : 697.66 = 136.03 : x
  2. Step 2: Convert to fraction form
    465.16/697.66 = 136.03/x
  3. Step 3: Cross multiply
    465.16x = 697.66 × 136.03
  4. Step 4: Simplify right side
    465.16x = 94,902.10
  5. Step 5: Solve for x
    x = 94,902.10/465.16
  6. Step 6: Final answer
    x = 204.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.